ci(travis): add travis-buddy

[borgified]

What does this PR do?

Add Resource(s) | Remove Resource(s) | Add info | Improve Repo

For resources

Description

Why is this valuable (or not)

How do we know it's really free?

For book lists, is it a book?

Checklist:

• Not a duplicate
• Included author(s) if appropriate
• Lists are in alphabetical order
• Needed indications added (PDF, access notes, under construction)

[TravisBuddy]

Travis tests have failed

Hey @borgified,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

Node.js: 6

View build log

fpb-lint .

/home/travis/build/borgified/free-programming-books/free-programming-books.md
  2602:1-2604:66  warning  Alphabetical ordering: swap l.2604 and l.2603  alphabetize-lists  remark-lint

⚠ 1 warning

TravisBuddy Request Identifier: 6c5ee3d0-3d8a-11e9-ae74-63667cf8398f

[TravisBuddy]

Travis tests have failed

Hey @borgified,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

Node.js: 6

View build log

fpb-lint .

Done. Your build exited with 1.

TravisBuddy Request Identifier: 8da38020-3d88-11e9-ae74-63667cf8398f

[TravisBuddy]

Travis tests have failed

Hey @borgified,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

Node.js: 6

View build log

fpb-lint .

/home/travis/build/borgified/free-programming-books/free-programming-books.md
  2602:1-2604:66  warning  Alphabetical ordering: swap l.2604 and l.2603  alphabetize-lists  remark-lint

⚠ 1 warning

TravisBuddy Request Identifier: e473b440-3d8a-11e9-ae74-63667cf8398f

[TravisBuddy]

Travis tests have failed

Hey @borgified,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

Node.js: 6

View build log

fpb-lint .

/home/travis/build/borgified/free-programming-books/free-programming-books.md
  2602:1-2604:66  warning  Alphabetical ordering: swap l.2604 and l.2603  alphabetize-lists  remark-lint

⚠ 1 warning

TravisBuddy Request Identifier: 9d41c600-3d8c-11e9-ae74-63667cf8398f